University of Colorado
Is There Life on Earth?
To find life on another planet, scientists look for gases (atmosphere), water, and temperatures that are not extreme. In this activity, groups of pupils become "Titan-ians," scientists who want to explore Earth for possible life forms....
Journey Through the Universe
Is There Anyone Out There?
What is an alien's favorite game? All-star baseball! Scholars start defining living and non-living. Then, they conduct experiments to research if life exists, keeping in mind that life could be in many forms, not just human.